Received: by 2002:a05:6358:111d:b0:dc:6189:e246 with SMTP id f29csp3466057rwi; Tue, 1 Nov 2022 22:14:06 -0700 (PDT) X-Google-Smtp-Source: AMsMyM4K1mqVjgAMWFnp1xuIdGGH0E1vamN9oJBSFAL1ptV/D+Kj1LgqRZWIogMmBEQwSvkMZUXK X-Received: by 2002:a63:d709:0:b0:461:be56:507e with SMTP id d9-20020a63d709000000b00461be56507emr20706159pgg.597.1667366046214; Tue, 01 Nov 2022 22:14:06 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1667366046; cv=none; d=google.com; s=arc-20160816; b=RM/XToxX5zNYXeHtXQtMu7jM0Ehaqnflb8xNAqMeoC0A5t6U0PiygHx16eQHAy/dyI DxWrYpnutipFSHG40r0M2B4G2AUpBS/HqHS05WAWGThiJl/Sh0CfjjbD80SFGSD2Bj96 wkBrRjWLfev8uu1QTQOjfGh8IKASwY3OAZj5hKvo0QE3KDuf5QtG3Nf+fvFzZfK7qaW/ /4mQQ/NCECHMFjjI9p58fa0j68n9EBnGbteKc6YiMwO8EDqPnSKfE8hV+GfkvNgmLJ+w ShGX+V4yOiK/K1BH7tJL0UhHaoNyglM1Gf65QRF7WjlWg7LU0s8UcVMRqiBpo2PC9Lt4 IYYA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date; bh=0A4TIVU1IzgQsTeud0+2kqcl0CFsc4aCIGpuPV7poZI=; b=FOmiT7/V1Ek6HyL9I2qQLFoovqGOFiC8AU3XioG7SAniDJ3Y5Asu2ffFe9O2GqHUlw uh8uy4abBHv0vudYYp/vF4PaoXLWcRiW1MNg8Cwfjv0Q5A17+b+TrBaXWmU9dRvASH/8 /iC+hkgVjijobfP+PpzBdKX67BLNi5+XbFUt9m7YgPku2TPdutp/ezdtivvqbTzwTMbv jgSo3v/B3o1QuNCESj6Z8hpjFqN1cVJW6zh3xdDKXjZ/aNjkTanCPbTBirXw/4Vno7pf yFInRu89/Sq60/GGnXU5ug37nIrwm61ObSFrbfkaX6hfhF+Fxft3PaIUxYO8poMWpEMO zA5w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id n3-20020a6546c3000000b0046ff66cf341si4267876pgr.222.2022.11.01.22.13.35; Tue, 01 Nov 2022 22:14:06 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229530AbiKBEnh (ORCPT + 97 others); Wed, 2 Nov 2022 00:43:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229459AbiKBEng (ORCPT ); Wed, 2 Nov 2022 00:43:36 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1E34FD8D; Tue, 1 Nov 2022 21:43:34 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 700B961799; Wed, 2 Nov 2022 04:43:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8E0FCC433D6; Wed, 2 Nov 2022 04:43:33 +0000 (UTC) Date: Wed, 2 Nov 2022 00:43:31 -0400 From: Steven Rostedt To: "Masami Hiramatsu (Google)" Cc: Li Huafei , , , Subject: Re: [PATCH] ftrace: Fix use-after-free for dynamic ftrace_ops Message-ID: <20221102004331.2181b9a7@rorschach.local.home> In-Reply-To: <20221101230716.22c7b52728990f6b192795c0@kernel.org> References: <20221101064146.69551-1-lihuafei1@huawei.com> <20221101230716.22c7b52728990f6b192795c0@kernel.org> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-6.7 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 1 Nov 2022 23:07:16 +0900 Masami Hiramatsu (Google) wrote: > But I'm not sure what commit this is fixed. Maybe commit a4c35ed24112 > ("ftrace: Fix synchronization location disabling and freeing ftrace_ops"). > Steve, can you add Fixed: ? I'll take a deeper look at this when lore and vger start talking together and it shows up on patchwork :-/ -- Steve